Finding the Fourth Proportional to 9,262.53, 12,781.47 and 5,485.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,262.53 : 12,781.47 = 5,485.01 : x
2. Step 2: Convert to fraction form
   9,262.53/12,781.47 = 5,485.01/x
3. Step 3: Cross multiply
   9,262.53x = 12,781.47 × 5,485.01
4. Step 4: Simplify right side
   9,262.53x = 70,106,490.76
5. Step 5: Solve for x
   x = 70,106,490.76/9,262.53
6. Step 6: Final answer
   x = 7,568.83